Smoth Action Valves Plastic Trumpet - Buy Smoth Action Valves Plastic Trumpet,Smooh Sturdy Plastic Trumpet,Bb Key Plastic Trumpet Product on Alibaba.com
At a minimum of $120 a piece this doesn't seem like good value. A brass horn can be bought cheaper from the same company!
See a post lower down about the link fail - and as to how to get there.
www.alibaba.com and search for TR046 Plastic Trumpet